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Meet Our Providers

Our Physicians

Steven Arbit, MD

Steven Arbit, M.D. was born and raised in the Detroit area. After graduating medical school from Wayne State University, he completed a three year Internal Medicine Residency at Sinai Hospital in Detroit. He then finished a second three-year residency in Physical Medicine & Rehabilitation (PM&R) also at Sinai. During his final year he was named Chief Resident.

Since finishing his training, he has focused his practice to the outpatient care of the musculoskeletal system including non-operative diagnosis and treatment of musculoskeletal issues, spine care and Fibromyalgia. He has been trained in the pain management techniques of acupuncture, Botox injections and PRP.

Dr. Arbit is the Chief of PM&R at Huron-Valley Sinai Hospital. He is Assistant Professor in PM&R at Wayne State University School of Medicine as well as Michigan State University School of Osteopathic Medicine. He is active in teaching students and residents from both of those universities.

He is board certified by the American Board of Physical Medicine and Rehabilitation as well as the American Board of Electrodiagnostic Medicine.

He has been named by Hour Magazine as a “Top Doc” numerous times, most recently 2016. In 2009, 2011 and 2016, he earned the most votes in the PM&R category.

Brian Roth, MD

Brian Roth, MD is a native Detroiter. His undergraduate degree is from Michigan State University. After graduating medical school from Wayne State University, Dr. Roth completed a four year Physical Medicine and Rehabilitation (PM&R) Residency at Sinai Hospital in Detroit. During his final year he was named Chief Resident.

Upon completion of his training, Dr. Roth has focused and applied his skills to both the outpatient care of the musculoskeletal system and the inpatient care of individuals with life altering conditions such as strokes and spinal cord injuries.

As an active and enthusiastic sportsman himself, Dr. Roth can empathetically identify with patients suffering from sports related injuries.

Dr. Roth has been the Medical Director of the Rehabilitation Centre at Crittenton Hospital since 1995. He is an Assistant Professor in PM&R at Wayne State University School of Medicine and actively teaches students and residents. Dr. Roth is board certified by the American Board of Physical Medicine and Rehabilitation, as well as the American Board of Electrodiagnostic Medicine.

Dr. Roth has had the distinction to be named both “Top Doc” by Hour Magazine as well as “Medical Director of the Year” by RehabCare on numerous occasions. In addition, Dr. Roth was honored to be named Crittenton Hospitals’ “Physician of the Year” in 2012.

Craig Hysni, MD

Craig Hysni, M.D. was born and raised in the Detroit area. After graduating medical school from Wayne State University, he completed a one year internship at St John Hospital in Detroit, MI and a three-year Physical Medicine and Rehabilitation (PM&R) Residency at Emory University in Atlanta.

Since finishing his training, he has focused his practice on the nonsurgical diagnosis and treatment of musculoskeletal and spinal disorders, sports medicine, electrodiagnostic medicine, and both subacute and inpatient rehabilitation.

Dr. Hysni is the Associate Medical Director of the RehabCentre at Crittenton Hospital and the Director of Rehabilitation at Boulevard Health Center. He is active in teaching medical students and residents.

He is board certified by the American Board of Physical Medicine and Rehabilitation.

He has been named by Hour Magazine as a “Top Doc” on numerous occasions.

Krisztina Mishack, MD

Krisztina Mishack, M.D. was born and raised in Hungary. After graduating from Damascus Medical School, she completed a five-year combined Physical Medicine and Rehabilitation (PM&R) and Pediatric Residency at Rehabilitation Institute of Michigan / Wayne State University in Detroit.

Since finishing her training, she has focused her practice to both the inpatient consultative service at Crittenton Hospital and the rehabilitation of children.

She is board certified by the American Board of Physical Medicine and Rehabilitation. Since finishing training she has focused her practice to the non-surgical care of musculoskeletal, orthopedic and neurological disorders as well as inpatient rehab and consultation services.

She is active in teaching medical students and residents.

She is associate Medical Director of inpatient rehab.

She has been named by Hour Magazine as a “Top Doc”.

Dr. Mishack was honored to be named Crittenton Hospitals’ “Physician of the Year” in 2016

Christopher Schoenherr, MD

Christopher Schoenherr, M.D. was born and raised in the Detroit area. After graduating medical school from Michigan State University, he completed a one year internship in Grand Rapids and a three year Physical Medicine and Rehabilitation (PM&R) Residency at University of Colorado Health Sciences in Denver. Since finishing his training, he has focused his practice to the non-surgical care of musculoskeletal and spinal disorders, sports medicine, electrodiagnostic medicine and inpatient rehabilitation.

Dr. Schoenherr is the Associate Director of the RehabCenter at Crittenton Hospital. He is board certified by the American Board of Physical Medicine and Rehabilitation with a subspecialty board certification in Sports Medicine.

Melissa Andric, DO

Melissa Andric, D.O. is board certified by the American Osteopathic Board of Physical Medicine and Rehabilitation.

Dr. Andric was born in the Detroit area and grew up in Lapeer, MI. She graduated from Michigan State University in 2006 with a B.S. in Nutritional Sciences. While in undergrad at MSU, she was part of the Osteopathic Medical Scholars Program and went on to complete medical school at Michigan State University College of Osteopathic Medicine in 2010. Upon graduation, Dr. Andric completed a one year internship at Garden City Hospital and a three year Physical Medicine and Rehabilitation (PM&R) Residency at Michigan State University in East Lansing.

Since finishing her training, she has focused her practice on the non-surgical diagnosis and treatment of musculoskeletal and spinal disorders, electrodiagnostics medicine, subacute rehabilitation and inpatient rehabilitation. She also has been working with the physical therapy department at Specialists in Rehabilitation Medicine to develop programs to treat scoliosis as well as treatment of low back pain during and after pregnancy.

As a wife and busy mom of 3, Dr. Andric understands the demands of everyday life and strives to use treatments that are effective at decreasing pain and improving function while maintaining an active lifestyle.

Shawn Achtman, DO

Shawn Achtman, D.O. is a board certified Physical Medicine and Rehabilitation physician. He received his bachelor degree from the University of Michigan and his Doctor of Osteopathic Medicine degree from Michigan State University. His residency training was completed at William Beaumont Hospital in Physical Medicine and Rehabilitation. To further specialize he completed a fellowship in Interventional Spine and Pain Management through Michigan State University.

He was born and raised in Southeast Michigan. He is looking forward to treating patients in the area he grew up in. As an active individual he understands pain can be a barrier to many aspects of life and he hopes to improve this for all of his patients.

Physical Therapists

Shelly Karbowski, PT

Director of Physical Therapy

Shelly Karbowski, PT, is a 1993 graduate of Wayne State University. Shelly has diverse clinical experience treating chronic and acute orthopedic conditions. Her experience and insight allow her to treat the source of the patients’ pain or weakness with multiple approaches. Many patients who were previously unsuccessful in physical therapy have found relief working with Shelly.

Shelly focuses on restoring movement and function allowing patients to return to an active lifestyle. She has a special interest in treating pregnancy related back pain as well as pelvic floor dysfunction. She strives to deliver quality personal and professional rehabilitation with specialized manual therapy techniques including myofascial release, muscle energy, joint mobilization and soft tissue techniques. Shelly educates patients on correct body mechanics and uses kinesiology tape to support joints and muscles. Specific exercise prescription and training is used to correct muscle imbalance that can lead to pain and weakness. Shelly has attended many continuing education courses and she integrates multiple techniques to get the best outcomes for her patients.

Amy Clapp, MPT

Amy Clapp, MPT, attended Oakland University, graduating in 1997 with her Masters in Physical Therapy. She has been a Clinical Instructor for physical therapy students from Oakland University, Wayne State University, and Grand Valley State University. She joined the SIRM team in 2005, after having practiced in inpatient, acute rehab, and outpatient settings.

Amy emphasizes personalized care, spending hands-on time with her patients and helping to ensure their best functional outcome. Though she enjoys treating patients with all diagnoses, she has special interest and advanced training in vestibular rehabilitation and women’s health therapy. As a performing oboist and oboe instructor, she also has a special interest in Performing Arts Medicine, uniquely treating musicians who have developed pain which is impeding their ability to perform.

Jean LeMarbe, PT

Jean LeMarbe, PT, graduated from the school of Physical Therapy at Wayne State University and did post-graduate work in Orthopedic Manual Physical Therapy at Oakland University.

Jean has specialized in orthopedics and manual therapy techniques for over 30 years. Jean is certified as a strength and conditioning specialist by the National Strength and Conditioning Association. She enjoys doing hand therapy and treating foot and ankle injuries. She believes in providing hands-on care to every patient and attempts to maximize her patients’ functional ability.

Courtney Briskey, DPT

Courtney Briskey, DPT, graduated from Oakland University in 2014 earning her Doctorate in Physical Therapy. She has been a member of the American Physical Therapy Association and Michigan Physical Therapy Association since 2011.

Throughout her childhood, Courtney competed in a variety of dance styles including ballet, jazz, tap and hip-hop. Her participation in these activities is what led Courtney to her interest and fascination with the study of movement.

She treats each patient with an individualized approach to help her patients improve and reach their personal rehab goals and return to their daily activities. Courtney implements many different techniques throughout her treatment, such as manual based or a hands-on approach, therapeutic exercise, Kinesio tape application, posture education, and body mechanic training.

Courtney is passionate about treating geriatrics, orthopedics, post-surgical, and neck/back pain and hopes to continue expanding her knowledge even further in these areas.

Lori Zywiol, DPT

Lori Zywiol, DPT, graduated from the Doctor of Physical Therapy program at Oakland University in 2009.

Lori decided to become a Physical Therapist after gaining first-hand experience as a patient. She was a competitive figure skater for over 10 years. After the motivation, care and dedication from her physical therapist, she was sold on the profession.

Lori is passionate about utilizing manual skills and functional based exercises to treat populations in orthopedics, post-surgical, vestibular and women’s health. She is an active Graston treatment provider delivering an effective and unique treatment to mobilize soft tissue.

Lori keeps in mind that each individual may respond differently to pain relief. People have different body types, different patterns of movement, and different habits. She monitors each individual and corrects improper habits and movement patterns through a personalized therapy program.

Margie Schuldinger, PT

Margie Schuldinger, PT, earned her B.S. in Psychology from Wayne State University in 1984 and her B.S. in Physical Therapy from California State University in 1988. She has enjoyed her role as a physical therapist from the start and continues to have passion for her profession.

Her first 10 years focused on neurological rehabilitation, and the past 16 years on orthopedics.

As an assistant professor at Baker College PTA program, Margie taught anatomy and physiology, kinesiology, psychology of injury, and several other classes. She currently teaches anatomy and physiology to a variety of yoga certification programs.

She blends her multiple approaches of manual techniques with solid instruction of exercise and body mechanics for patient safety. She likes to think both “in” and “outside the box” to individualize patient care.

Margie has a strong interest in utilizing Yoga and Pilate’s philosophy with treatment and exercise. Recently, she has developed a program to treat patients with scoliosis.

Anahita Kavarana, PT

Anahita Kavarana, PT, earned her Master’s in Physical Therapy in 1999 from The University of Mumbai, India and her M. S. in Human Movement Science from The University of North Carolina at Chapel Hill in 2002.

She has spent her time practicing as a physical therapist in various settings for over 20 years focusing on patients with musculoskeletal dysfunction. She also has a strong background in neurological rehabilitation.

Her treatment methods include the use of the Neurodevelopmental Technique, Craniosacral therapy and Trigger point release therapy. Anahita’s treatment philosophy emphasizes a hands-on individualized care approach for each patient, facilitating a faster and optimal functional recovery.

Lauren Babicz, PTA

Lauren Babicz, PTA, graduated from The University of Michigan, earning her Bachelor Degree in Movement Science/Kinesiology. She then went on to graduate from the Physical Therapist Assistant Program at Macomb Community College.

Lauren is certified in Graston Technique Therapy. Graston Technique therapy is an evidence-based form of instrument-assisted soft tissue mobilization that allows for precise detection and treatment of fascial restrictions as well as muscle and tendon dysfunction.

Lauren’s decision to become a Physical Therapist Assistant was influenced not only by her experiences as a patient but also as a result of working as a PT Technician for 5 years. These two outlooks caused her to fall in love with the profession.

She was a competitive softball player, playing at the collegiate level at The University of Michigan. Lauren still participates competitively and coaches younger athletes in skilled softball training, as well as injury prevention. She has a passion utilizing manual skills and functional based exercises with an interest in orthopedics and athletic rehabilitation.

Lauren’s goal is enabling patients to resume an active lifestyle or return to sports through a personalized therapy program.

Chelsie Yatooma, PTA

Chelsie Yatooma, PTA, graduated from Michigan State University in 2013, earning her Bachelor of Science Degree in Kinesiology. She then went on to graduate from the Physical Therapy Assistant Program at South University.

After working as a PT Technician for 4 years, Chelsie saw firsthand how important it is to maintain a healthy and active lifestyle, leading to her love of the profession. Her treatment approach emphasizes the use of therapeutic exercise and manual therapy to restore function and mobility in her patients.

Chelsie is passionate about treating joint replacements, sports injuries and women’s health issues. As a result, she is currently expanding her knowledge in the treatment of the lumbar spine and pelvic floor dysfunction as well as training in Kinesio tape application.

Our Advanced Practitioners

Melissa Niemiec, RN, MSN, ANP-BC, CRRN

Melissa Niemiec, RN, MSN, ANP-BC, CRRN was born and raised in the Metro Detroit area. After graduating with her Bachelors of Science in Nursing, she completed her Masters of Science in Nursing at Wayne State University. She then became a Board Certified Adult Nurse Practitioner through the American Nurses Credentialing Center.

Since finishing her training, Melissa has worked in health promotion/prevention program development and has most recently dedicated her practice to Physical Medicine and Rehabilitation. She is very excited to be a part of the team at Specialists in Rehabilitation Medicine, where she can focus on providing quality care to her patients.

Recently, Melissa became a Certified Rehabilitation Registered Nurse. “Attaining CRRN certification validates your professional standing as an experienced rehabilitation nurse with a documented level of knowledge in this specialized area of practice”(Association of Rehabilitation Nurses).

Lori Broecker, RN, MSN, APRN-BC, CRRN

Lori Broecker, RN, MSN, APRN-BC, CRRN was born and raised in the Detroit area. After Graduating from Oakland University as a Registered Nurse, she worked in the Medical-Surgical Field. She received her Master’s of Science in Nursing from Wayne State University.

After she graduated, she worked in Family practice with a focus on the primary care of Women, Geriatrics, and Sub-acute Rehabilitation. She currently focuses her practice in collaboration with the PMR physicians, on the rehabilitation care of patients with a variety of medical and surgical problems both in the inpatient Rehabilitation Unit at Crittenton Hospital and area Sub-acute Rehabilitation Facilities

Lori is on staff at Crittenton Hospital and is a member of the Michigan Council of Nurse Practitioners. Lori has her certificate from the American Nurse Credentialing Center. Lori is a preceptor for Nurse Practitioner Students in area Colleges and Universities.

Recently, Lori became a Certified Rehabilitation Registered Nurse. “Attaining CRRN certification validates your professional standing as an experienced rehabilitation nurse with a documented level of knowledge in this specialized area of practice”(Association of Rehabilitation Nurses).

Anne Smith, RN, MSN, CNP, CRRN

Anne Smith, RN, MSN, CNP, CRRN was born and raised in the Detroit area. After completing graduate school at Michigan State University she worked for internal medicine for several years. Since joining SIRM she continues to work in both the inpatient rehabilitation and sub acute rehabilitation setting.

Anne is certified by the American Academy of Nurse Practitioners. She is also a member of the American Academy of Nurse Practitioners, Michigan Council of Nurse Practitioners and the Michigan Nurses Association.

Recently, Anne became a Certified Rehabilitation Registered Nurse. “Attaining CRRN certification validates your professional standing as an experienced rehabilitation nurse with a documented level of knowledge in this specialized area of practice”(Association of Rehabilitation Nurses).

Molly Maki, RN, MSN, FNP-BC

Molly Maki, RN, MSN, FNP-BC was born and raised in the Detroit area. After graduating from Saginaw Valley State University with her Bachelors of Science in Nursing, she worked in the Adult Medical Progressive Care Unit, Pediatrics, and Pediatric Intensive Care Unit. She then completed her Masters of Science in Nursing at the University of Detroit Mercy and become Board Certified Family Nurse Practitioner through the American Nurses Credentialing Center (ANCC).

Molly is an active member of American Academy of Nurse Practitioners and Michigan Council of Nurse Practitioners.

Molly has recently dedicated her practice to Physical Medicine and Rehabilitation. She is very excited to be a part of the amazing team dynamic provided at Specialist in Rehabilitation Medicine.

Erica Christy, PA-C

Erica Christy, PA-C graduated from Oakland University with a Bachelors Degree in Biology. Erica than moved on to Lincoln Memorial University Debusk College of Osteopathic Medicine where she obtained a Master of Medical Science in Physician Assistant Studies.

Erica has recently dedicated her practice to Physical Medicine and Rehabilitation, where she can practice in her patient specialty area and focus on providing quality care to her patients.

Susan Allen, ANP-C, RN

Bio coming soon.

Our Administrators

Kira Griffin, Practice Manager

Kira Griffin is responsible for supporting the Professional Staff and overseeing all medical associates. She is primarily at the Rochester office, and frequently visits both the Bloomfield & Commerce locations.

Kira obtained her Bachelors degree from Oakland University with a degree in Health Sciences. From there she moved on to Central Michigan University where she obtained a Master’s of Science in Health Services Administration.

Kira’s goal is to create a positive, friendly, and efficient environment for everyone that works at and visits our practice and to ensure that we provide the highest quality of patient care.

Andrea Mudloff, Billing Coordinator

Andrea Mudloff is responsible for overseeing the revenue cycle for Specialists in Rehabilitation Medicine, P.C. This includes helping patients with accounts, supporting our clinical staff, along with leading the billing team. She is primarily located in the Rochester office, but occasionally visits both the Bloomfield & Commerce locations.

Renee Horton, Medical Assistant Coordinator

Renee Horton is responsible for supporting our physicians and overseeing the medical support staff at Specialists in Rehabilitation Medicine.

Some of her responsibilities include insuring that the staff have an effective, courteous and professional relationship with not only our physicians, but every patient that walks through our door. Renee can be found working at any of our three offices.

Renee is an avid dog lover and works with rescue centers throughout the Detroit Metro Area to train and find families for her four-legged friends.